In a blue-green deployment strategy, there are always two instances of your application running in production. A reverse proxy is used to direct traffic to either the green or the blue version. You then deploy changes to your application by ...

Zabbix is a great open source tool to monitor operating system and application metrics. You can install it on your web server and out of the box, it is able to show you fancy graphs for things like: Memory availability ...

Learn how to add HTTPS encryption to your Spring Boot application running inside a Docker container. Since the arrival of free Let’s Encrypt certificates, there is really no excuse not to use HTTPS for encrypting your application traffic. Obtaining and ...

Oracle is currently offering an always free tier of its compute cloud. In this article, I will show how to register an account, add the free tier units and connect to them via PuTTY on Windows. What is included? While ...

This is going to be a short one. You may be experiencing troubles when installing Kali Linux via an USB flash drive: You may be inclined to waste a few hours following one of the countless articles suggesting to manually ...

Imagine someone watching all your daily activities from hundreds of meters in the distance. While walls can protect you from spy glasses and interested neighbours looking out of their windows, they are no obstacle for electromagnetic radiation. WiFi networks in ...

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